Can-body-making machine.



F. WEGNER. I GAN BODY MAKING MACHINE. APPLICATION FILED JULY 22,- 1907.

Patented June 1, 1909.

avwzntoz Patented June 1, 1909.

5 SHEETS-SHEET 2.

V F. WEGNER.

. CAN BODY MAKING MAGHINE.

APPLICATION FILED JULY 22, 1907.

Patented June 1, 1909.

5 SHEETS-SHEET 3..

P. WEGNER. v CAN BODY MAKING MACHINE.

APPLICATION FILED JULY 22,1907.

Patented June 1, 1909;

5 SHEETS-SHEET 4.

Q 212!" woes F; WEGNER.

CAN BODY MAKING MACHINE.

APPLICATION FILED JULY 22,1907.

QQEQ MQQ Patented June 1, 1909.

5 SHEETS-SHEET 5.

I mm

3 i v wanton To all whom it may concern:

UNITED STATES [FRED WEGNER, or FAI'RPQRT, NEW YORK.

PATENT oFF1oE .If

cAn-BonYMAKmeMAcHInE.

Be it knownthat-L-Fnnn WEGNER, of

Fairport, in the county of'Monroe a'nd State (Sf-New York, have invented certain new and useful I Improvements in Can-Body-Making Machines; and I do hereby declare the-following to be a" full, clear, and exact descri tion of the same, reference being had to t e accompanying drawings: forming a part of h pecification, and .to the referenc e-numerals marked thereon.

The resent invention, which relates-to a can be y-- making machine, has for-an object to provide mechanism which will notch the meeting edges of-a can body blank near each end so that the portions of the edges between the notches may bebent to format lock seam and the outer portions may be overlapped in A order that the body may'beprovided at its ends with flanges to which the tops are seamed.

2A further object is to combine with the notching mechanism suitable mechanisms which will bend those portions of the meeting edges between the notches and "will other:

wise complete the formation ofthe'can body.

.To this and other'ends the inventionconsists in certain improvements and combinaspecification.

In the drawings :Figure 1 is, a central tions ofparts all as will be hereinafter more fully described, the novel features being pointed out in the claims at the endof the i longitudinal section througha machine em- I line aa, of Fig. '1.

bodying my invention. Fig. 2 is a section on Fig. 3 -is a section ,on line b-b of- Fig. 1.

removed and parts being in s'ectionl- Fig. 6

is a detail view of one pair, ofthe cutters ornotchers. Fig. 7 is a detail viewof-one of the pairs of dies. -8 is a sectional view of the ex andin mandrel. view of t e mandrel With/3, blan thereon before expansion. Fig. 10 is a like viewafter the expansion of the mandrel and-the press-' ing of the seam. Fig 11 isa side view of the canbody after it passes from the machine.

Fig. 12 is a section on line d d of Fig. '11.

Fig. 13 is a section on line ee -of Fi 11. Fig. 14 is a plan view of one of the b anks after ithas beennotched and before the bending takes lace. view of one of t e-carrier pawls,

The can notching mechanism" forming one Fig. 4 is'an enlarged sec- Fig. 5 isa top Fi 9 is an end- Fig. 15 is a detail The parts are sotimed that each blank will be carriedto the notching mechanism into a if of the features of my invention is preferably q Patented June 1,1909. Application filed'luly 22,1907. Serial No. 384,948.

combined withasuitable seaming mechanismfand in the present instance comprises two spaced pairs of cutters or notching devices,'the members of each pair being arranged in spaced relation so-as to operate on one meeting edge of a blank 1, one pair 2 being formed to cut away the corners on one edge of the blank, as-shown in Fig. 14, and the other pair 4.notching. theopposite edge a short distance from the corners as at 5. In order'that can blanks to form cans of 'dilferent-height may be notched; the members of eachpair of cutters are adjustable toward and from each otherand for this purpose provide a suitable means permitting the adjustment which preferably comprises horizontal guideways 6 on carriers 7,

which 'have the cutter holders 8 adjustablethereon and held in theinadjusted positions by1bolts- 9. The-carriers 7'are adapted to be reciprocated'on vertical guides 10, one pair 'arran edgat each end of-a carrier and'sup por-te preferablyon one .of two frame pieces 11* "which may be made movable to and'from each'other, on a ho'rizontalguide 12 in order that-the cutters may be adjusted for can blanksi-of 'difi'erent lengths Carried -pref e'rably byeach frame piece is a pair of dies 13 'ea'ch having an opening 14 conforming to the shape of the cooperatmg cutter and adjustabletoward and from each other as by means ofv bolts 15 working in slots 16 in the frame pieces; chutes 17 in the form of tubes being arranged on the frame pieces to receive the cuttings from thefdies and to conduct themaway.

So as to feed the blanks past the notching ,mechanism I may employ a feeder, in its preferred form comprising two reciprocating bars '18 which carrypivoted dogs 19 pressed opposite sides of a table 2-1., overhanging guides 22 being positioned on theouter sides of the bars, preferably on frame pieces 11, to receive the meeting edges of the blanks, and being adjustable toward and from each other for the purpose of receiving blanks of different lengths. Blanks from a hopper 23 are fed by hand into the path of the-reciprocating bars, the dogs of which on their rear Ward movement slide under the blanks and on their 'forward movement advance the blanks the distance moved by the bars.

upwardly by springs 20, and are arranged on position to be cut during one downward movement of the cutters, and in order that the blanks will not become deranged, I may employ a pressure device such, for instance,

as that shown which comprises a spring 24 formed of .flat metal and bent so that it exerts pressure on all blanks passing by the notching mechanism, that IS, between the two pairs of cutters, an adjusting-screw 25 being provided to vary the pressure on a coil .s'pring26 and thereby change the pressure on e spring 24. The bars 18 are operated by a suitable meanswhich preferably comprises a slide 27 connecting the bars and movable on a guide 28 arranged beneath the table, said slide being connected to a crank arm 29 on a pinion 30 eccentrically carried by a disk .31 and meshing with a fixed internal gear 32 so as to produce a right line movement of the pin 33 of the crank arm. The disk 31 is carried on the upper end of a vertical shaft 34 which at its lower end carries a bevel gear 35meshing with a likegear 36 on a horizontal shaft f 37 extending longitudinally of the frame of the machine. Shaft 37 is driven by a transverse shaft 37 a and may also serve as a means for driving the notching mechanism,

for this purpose carrying a worm wheel 38 which meshes with a worm wheel 39 on a transverse shaft 40. Shaft 40 is connected by a sprocketchai'n 41 with shaft 42 having eccentrics 43 mounted thereon and operating on pitmen 44, each connected to one of the carriers 7, ,the eccentrics beingmovable longitudinally of the shaft and serving as driving connection, permitting the adjustthe latterto operate on each edge of a blank and ln thls instance adjustable on guides 47' toward and from each other for the purpose of Working on, blanks of different lengths. Each device preferably comprises a clamp and a bending roller 48, the latter being formed with annular grooves 48* to provide a working surface equal ih length to the length of a meeting edge between the notches, or in other words, to the distance between the members of a pair of cutters, so that the other portions of the blank will not be engaged. The clamp may consist of an upper fixed jaw 49 and a lower movable jaw 50 swinging about an axis 51, the jaws being so positioned that 'they clamp a blank away from its meeting edges so that the notched edges project therefrom. The movable jaw vention, it will not be described in detail.

50 and the roller: 48 are preferably operated by a plunger 52 connected 'to w the movable jaw by a lever 53 turning an' eccentric 54 bearing against a link 53 which is united to a plunger 55 yieldingly connected to the jaw' downwardly from a concave bearing 58 in,

which the roller 48 turns. The ends 48 of the roller work in'cams 59 which cause the roller to travel vertically at first to bend a notched end of a blank at right angles and then inwardly to deflect the end so that it forms an'acute angle with the blank. The roller 48 ofthe device 45 moves upwardly to cause the formation of the seam flange, while the roller device 46 moves downwardly to produce this result, the eccentric 54 of device 46 being so disposed that it causes the elevation of its aw 50 when its plunger 52 moves downwardly. The plungeis 52 of the devices are moved in opposite directions by oppositely disposed eccentrics 60 and 61 which are elongated to permit the collars 62 which are connected to the plungers 52 to slide thereon when the devices 45 and 46 are adjus'ted for longer blanks. These eccentrics are carried by the shaft 40 before mentioned. From this bendin mechanism the cans are carried by the feeding mechanism to the body bending mechanism which comprises an ex- .pansible mandrel or former and bending jaws cooperating therewith. The in andrcl with its operating parts is removable, so that cans of different sizes may be fitted thereon, but as this feature forms no part of my present in- A spring'80 yieldingly supports'the mandrel on t 1e frame in a. position to receive theblank which is fed thereto by means of dogs 65 on the feeder after a blank is clamped.

The connection between the plunger and the roller consists of a collar 56 to opposite sides of which are pivoted arms 57 extending downwardly from a concave bearing 58 in which the roller 48 turns. The ends 49 of the roller work in cams 59 which cause the roller to travel vertically at first to bend a notched end of a blank at right angles and then inwardly to deflect the end so that it forms an acute angle with the blank. The roller 48 of the device 45 moves upwardly to cause the formation of the seam flange, while the roller device 46 moves downwardly to produce this result, the eccentric 54 of device 45 being so disposed that it causes the elevation of its jaw 50 when its plunger 52 moves downwardly. The plungers 52 of the devices are. moved in opposite directions by 0 ositely disposed eccentrics 60 and 61 w 1011 are elongated to permit the collars 62 which are connected to the 62 to slide thereon ;whenthe devices and 46 are adjusted' for longer blanksfi -.These eccentrics are carried by {a shaft-1 62-- arranged. transversely, of the machine andcarrying a worm wheel 63 meshing with a worm wheel 64 on the shaft 37. From this bending mechanism the cans arecarried by the feeding mechanism to the body bending mechanism which comprises an -expansibl,jmandrel or former I and bending jawsf cooperating therewith.

' The jmandrel with itsVoperating. parts is removable, so that cans of different sizes may be fitted thereon, but as this feature forms no partof my present invention, itwill not be described in detail.-- A spring 80 yieldingly supportsthe mandrel on the frame 1n a position to receive the blank which is fed thereto by means of 'an extension 65 on 'the feeder-working in agroove in the upper face of themandrel. The jaws 66 turning about a common axis 67, swing downwardly to bend the blank about the 1 former or mandrel, so,that the edges of the rounding-a headed pin carried y section 78 by the expansion of the mandrel, a hammer .havingone end of a bent lever 70 thereto. The other endof the bent blank liefiin" th6.. position shown in Fig. 9. The means for o crating thetwo jaws 66 is .the same for. eac 1 and comprises an adjustable link 68 pivotally connected to one arm of a doubl armedlever 69, the other 21 113 pivote connected'to one-:end of a swingin arm*71 which is. arranged therebeneath an is op'er-- ated by a push bar 72 connected at its lower end to a swinging .member 7 3. "Swinging member 73'is operated by a pitman 74 connected by a collar 7.5 with an eccentric-76,

After the blank has been -bent to the form shown in Fig. 9, the mandrel or formeris ex- -.panded in order that the meeting edges will interlock and to permit this action the mandrel is formed of two sections 77 and 78 which are held together by a s, ring 79 sur- 86 or other, pressure device engages the. interlocked portions andcompresses the seam. This hammer is'preferably arranged below the mandrel so as to move on guide 86 and in this instance is operated by a swinging member 87 having one end provided with a cam groove 88 in which an ecccntric pin 89 on disk 90 works, the other. end being connected with the hammer by-a link 91, disk 90 being arranged on one end of shaft 37.

before mentioned.

Generally stated, theoperation is as fol-- lows: Blanksare fed singly by hand from the site directions.

.each other, 'vertica ever is.

hop er 23 to the feeder 'which intefmittent y moves them first to'the notching de-' vices, where they are notched-in the manner.

shown-in Fig. 14* and-then to the bending rollers where the portions of the meeting edges between the notches are bent in oppo- After this bending the feeder conveys them to the mandrel While the latter is in its reduced form-and the jaws 66 bend them" in the manner shown in Fig.

9. Upon the expansion of -the mandrel the bent portions of the blank interlock and are almost'imrnediately compressed by the pressure device.- and the body is removed therefrom by the feeder.

I claim asmy invention:

1. A mechanism for notching, the meeting edges of.can'. blanks comprising a pair of frame. pieces, means permitting the adjustment of the frame ieces toward and from each other, vertica guides'carried by the frame pleces, carriers movable Orr-the guldes,

and a pair of cutters on each carrier;

'2. Amechanism for notching the meeting edges of can blanks comprising a pair of The mandrel 'now contracts frame pieces, means permitting the-adjust-' i I ment of the frame 1pleces toward and from guides carried by the frame pieces, carriers movable on the guides,

a pair of cutters on each carrier 'and means permitting the adjustment of the cutters on each carrler toward and from each other. i

- 3. A mechanism for notchingthe meeting edges of can blanks com'prising' a pair of frame pieces, means permitting the adjustment of the frame lpieces toward and from each other, vertica guides carried by the frame pieces, carriers movable on the guides, a'pair of cutters on each carrier, a pair of dies carried byeachframe piece, and means permitting the adjustment of the cutters toward and from each other.

4. A mechanism for notchlng the meetingedges of -can blanks compris ng a pair of frame pieces, vmeans ermitting the. adjusteach other, vertical guides carried by the frame pieces, carriers movable on the guides and. a pair of cutters on each carrler, a .pitman connected to each carrier, a shaft,-'and driving connections between the shaft and the pitmen, permitting the adjustment of the pitmen toward and from each other.

5. A mechanism for notching the meeting 'ment-of the frame pieces toward andfrom edges of can blanks comprising frame pieces adjustable toward and from each other, notching devices carried by the frame pieces to remove the corners at one end of a'can blank and to notch the edge at the other end of the blank at short distances from .the

corners, means for feeding blanks past the notching devices, and guides for the edges of the blanks adjustable with the frame pieces v 6. A mechanism for notching the meeting edges of can blanks comprising two spaced pairs of cutters, the members of one pair bemg arranged in spaced-relation to remove the corners at. one end ofia can blank and the other pair being arranged in spaced relation to notch the edge of'the other end of j the blank at short distances from the corners, avfeeder for moving the blanks past of a can'blan the cutters, and pressure devices to act on the blanks while they are passing between the two pairs of cutters.

7. A mechanism for notching the meeting edges of can blanks comprising notching devices to remove the'corner's at one end end ofthe blank at short distances from the corners, a feeding device engaging the blanks to carry them-past the notching devices, and guides for the edges of the blanks passing to-the notching devices.

I 9. The combination of devices for notching the meeting edges ofcan blanks near their ends, with. mechanism forming a seam of the meeting edges between the notches in each edge without interfering with those portions of the blanks beyond the IlOtCllGSu 10. The combination of devices for notching the meeting edges of blanks near their i ends, with mechanism for-forming a seam of the meeting edges between the notches in each edge,- comprising rollers adapted to bend those port-ions of the edges between the notches, bod bending mechanism effecting the interlocking of the meeting edges, and a device acting, on the interlocked edges to compress the seam.

1]. The combination with devices for notching the meeting edges of blanks near ..their ends, of mechanism forming a seam of the meeting edges between the notches in and to notch the edge at the each edge without interfering with those portions of the blanks beyond the notches, and adfeeder arranged to carry the blanks past the notching devicesto the seaming ,mechanism.

12. The combination with a mechanism "for notching the meeting edges of can blanks of clamps engaging each blank away from its meeting edges, and rollers bending the profleeting edges between the notches formed by the cutters. can blank and to notch the edge at the other 14; The combination with two pairs of cutters, the pairs being arranged to cut the meeting edgesiof a can blank near their ends, of clamps engaging each blank away from its meeting edges, and rollers to bend 'the projecting edges, each having a working surface equal to the distance between the members eta-pair of cutters.

15. The comb nation of means for notch- .ing one meeting edge of a can blank away from its corners, \Vltll mechanism for bending that portion of said meeting edge between the notches without bending those portions beyond the notches.

16, Theccmbination with a blank can feeder-,rof notching devices arranged in pairs on opposite sides of the feeder to cut the meeting edges of the blanks, clamps to which the blanks are fed after being notched, and benders arranged to act only on the meeting edges of the blanks between the notches while the blanks are in the clamp. FRED WEGNER.

Witnesses:

GnoReE W. Coon, G. H. Kn Loee. 

